Chemistry, asked by yadavajit6520, 1 year ago

Why Ph scale is only up to 14

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Answered by sejuu

0

The pH scale is limited on the low end by the highest concentration (activity) of [H+] in solution. ... In aqueous solution the autoionization of water limits this value according to 14=pOH+pH. For example the solubility of sodium hydroxide in water is about 111g/100mL or about 27M. pOH=-1.4 so pH=15.4.

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